<template>
    <div>
        <el-upload
  class="upload-demo"
  action="https://jsonplaceholder.typicode.com/posts/"
  :on-preview="handlePreview"
  :on-remove="handleRemove"
  :before-remove="beforeRemove"
  :on-success="falseMsg"
  multiple
  :limit="3"
  :on-exceed="handleExceed"
  :file-list="fileList">
  <div slot="tip" class="el-upload__tip">只能上传xls.doc.docx.png文件，且不超过500kb</div>
  <el-button size="small" type="primary">点击上传</el-button>
</el-upload>
    </div>
</template>

<script>
export default {
     data() {
      return {
        fileList: []
      };
    },
    methods: {
      handleRemove(file, fileList) {
        console.log(file, fileList);
      },
      handlePreview(file) {
        console.log(file);
        
      },
      handleExceed(files, fileList) {
        this.$message.warning(`当前限制选择 3 个文件，本次选择了 ${files.length} 个文件，共选择了 ${files.length + fileList.length} 个文件`);
      },
      beforeRemove(file, fileList) {
        return this.$confirm(`确定移除 ${ file.name }？`);
      },
      falseMsg(){
        this.$message({
            message: '上传成功',
            type: 'success',
            showClose: true,
            center: true
        });
      }
      
    }
}
</script>

<style>
    .el-upload--text {
    background-color: transparent;
    border: none!important;
    border-radius: 6px;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
    width: auto!important;
    height: 36px;
    text-align: center;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}
</style>
